Test
Energy change Quiz
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Preguntas del test (6)
1Exothermic reactions transfer heat energy to the surroundings.
- AVerdadero
- BFalso
2In endothermic reactions, the energy of the products [blank_start]greater[blank_end] than that of the reactants.
- Agreater
3What type of reaction is this?
- AEndothermic
- BExothermic
- CNeither
- DBoth
4The [blank_start]activation energy[blank_end] is the energy needed for the reaction to occur.
- Aactivation energy
5Ammonia is made by the combination of nitrogen gas and hydrogen gas according to the following equation:
\(N_2 + 3H_2 \rightarrow 2NH_3\)
Is the reaction exothermic or endothermic?
Some bond energy figures which may be useful in your calculations:
\[N\equiv N = 944kJ\]
\[H-H = 436kJ\]
\[N-H = 388kJ\]- AExothermic
- BEndothermic
6Which of the following is not an exothermic reaction?
- ANeutralisation
- BPrecipitation
- CPhotosynthesis
- DDisplacement
- ECombustion
Información
- Descripción
- El usuario ha eliminado su información de asignaturas Test sobre Energy change Quiz, creado por Usuario eliminado el 24/07/2017.
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- Usuario eliminado
- Idioma
- English
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